202220111111112 has 64 divisors (see below), whose sum is σ = 561734316705600. Its totient is φ = 67405289402880.

The previous prime is 202220111111107. The next prime is 202220111111141. The reversal of 202220111111112 is 211111111022202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522187 + ... + 20117477.

It is an arithmetic number, because the mean of its divisors is an integer number (8777098698525).

Almost surely, 2^{202220111111112} is an apocalyptic number.

It is an amenable number.

202220111111112 is an abundant number, since it is smaller than the sum of its proper divisors (359514205594488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202220111111112 is a wasteful number, since it uses less digits than its factorization.

202220111111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19643083 (or 19643073 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 202220111111112 its reverse (211111111022202), we get a palindrome (413331222133314).

The spelling of 202220111111112 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred eleven thousand, one hundred twelve".